Simplify the expression. Write the result using positive exponents only.
A. 8x5
B. 
C. 
D. 8x25
Answer: C
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Find the principal square root of the number. Approximate the answer to the nearest hundredth whenever appropriate.(xy)2, xy < 0
A. 2xy B. -xy, xy C. xy D. -xy
Solve the problem.If a satellite is placed in a circular orbit of 440 kilometers above the Earth, what is the equation of the path of the satellite if the origin is placed at the center of the Earth (the diameter of the Earth is approximately 12,740 kilometers)?
A. x2 + y2 = 40,576,900 B. x2 + y2 = 46,376,100 C. x2 + y2 = 173,712,400 D. x2 + y2 = 193,600
Insert <, >, or = to make the statement true.2.64 
A. < B. = C. >
Factor the expression completely. If the polynomial is prime, state this as your answer.a3b3 - 64c3
A. (ab - 4c)(a2b2 + 4abc + 16c2) B. (ab + 4c)(a2b2 - 4abc + 16c2) C. (ab - 4c)(a2b2 + 4abc - 16c2) D. (ab - 4c)(a2b2 - 4abc + 16c2)